2.1 Names and Functions of Parts
2-3
2.1.2 Operation Monitor LEDs
－
Blue ON Turns on when the power is supplied to the unit.
EC RUN Green
OFF INIT state
Indicates the state of the ESM
(EtherCAT State Machine) of
EtherCAT communication.
Refer to the next page for
details.
Blinking Pre-Operational state
Single flash Safe-Operational state
ON Operational state
EC ERR Red
OFF No error
Indicates errors in EtherCAT
communication.
ON EtherCAT communication error
EC L/A Green
OFF LINK is not established.
Indicates the LINK state of
EtherCAT communication.
Flickering
LINK is established. Data is
sent/received.
ON
LINK is established. Data is not
sent/received.
[SD] Green
ON SD memory card is being accessed.
OFF Other than the above state.
CARD Green (Reserved for system)
COPY Green (Reserved for system)
ERR Red
ON Unit error occurs.
Blinking Unit warning occurs.
OFF Other than the above states.
ALM Red
ON Unit alarm occurs.
OFF Other than the above state.
(Note 1): Blinking and single flash of EC RUN are activated as below.
Blinking
Single flash
Approx.200ms
Approx.1,000ms
Approx.200ms
Approx.200ms
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